Michael Joseph "Mike" Kopetski (born October 27, 1949, in Pendleton, Oregon) is an American lawyer, businessman, and former politician who served two terms as a member of the United States House of Representatives from 1991 to 1995.

He earned his Bachelor of Arts from American University and Juris Doctor from Lewis & Clark Law School.

He ran unsuccessfully for the United States House of Representatives in 1982, losing in the Democratic primary for Oregon's newly created 5th district.

In the general election, he lost by a mere 707 votes to incumbent Denny Smith.

After leaving Congress, Kopetski became an international trade consultant and currently serves on the board of On2 Technologies,[2] in which he held a ten percent ownership interest until disposing of 50,000 of his 69,200 shares in September 2006.